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Ignacio Upton (1000+ posts) Send PM | Profile | Ignore | Tue Nov-28-06 11:40 PM Original message |
Why is Pluto called a dwarf planet and not a comet? |
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baldguy (1000+ posts) Send PM | Profile | Ignore | Tue Nov-28-06 11:47 PM Response to Original message |
1. b/c the defintions set by the IAU are arbitrary. |
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Ignacio Upton (1000+ posts) Send PM | Profile | Ignore | Tue Nov-28-06 11:49 PM Response to Reply #1 |
2. But so do many comets |
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Hosnon (1000+ posts) Send PM | Profile | Ignore | Fri Dec-01-06 12:03 PM Response to Reply #1 |
11. The definitions are not completely arbitrary. And they include more elements than |
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Canuckistanian (1000+ posts) Send PM | Profile | Ignore | Tue Nov-28-06 11:50 PM Response to Original message |
3. For one thing, a comet is composed mostly of ice |
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lordsummerisle (1000+ posts) Send PM | Profile | Ignore | Tue Nov-28-06 11:50 PM Response to Original message |
4. It doesn't have comet-like behavior |
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Ignacio Upton (1000+ posts) Send PM | Profile | Ignore | Wed Nov-29-06 12:03 AM Response to Reply #4 |
5. Kuiper Belt comets vs. Oort Cloud comets |
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Phredicles (1000+ posts) Send PM | Profile | Ignore | Wed Nov-29-06 12:34 AM Response to Original message |
6. Isn't it way too big to be a comet? |
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longship (1000+ posts) Send PM | Profile | Ignore | Wed Nov-29-06 12:43 AM Response to Original message |
7. Because... |
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TechBear_Seattle (1000+ posts) Send PM | Profile | Ignore | Wed Nov-29-06 09:10 AM Response to Original message |
8. It meets the definition of dwarf planet, that's why |
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Phoonzang (1000+ posts) Send PM | Profile | Ignore | Wed Nov-29-06 09:18 AM Response to Original message |
9. I don't know what you mean... |
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NNadir (1000+ posts) Send PM | Profile | Ignore | Thu Nov-30-06 10:13 PM Response to Original message |
10. We are trying to humiliate Pluto. |
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mainegreen (1000+ posts) Send PM | Profile | Ignore | Fri Dec-01-06 12:58 PM Response to Reply #10 |
12. It's probably a Republican?!?!?! 111! |
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Swede (1000+ posts) Send PM | Profile | Ignore | Fri Dec-01-06 11:14 PM Response to Original message |
13. Pluto is a Mickey Mouse planet. |
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FogerRox (1000+ posts) Send PM | Profile | Ignore | Sun Dec-03-06 02:24 AM Response to Original message |
14. When Pluto was 1st discovered it was called a planet. |
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Ptah (1000+ posts) Send PM | Profile | Ignore | Sun Dec-03-06 11:31 AM Response to Original message |
15. Pluto orbited poorly |
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Vidar (1000+ posts) Send PM | Profile | Ignore | Sun Dec-17-06 07:15 PM Response to Original message |
16. Because Pluto is a dog, not a reindeer. |
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